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Su D, Zhang X, He K, Chen Y, Wu N. Individualized prediction of chronic kidney disease for the elderly in longevity areas in China: Machine learning approaches. Front Public Health 2022; 10:998549. [PMID: 36339144 PMCID: PMC9634246 DOI: 10.3389/fpubh.2022.998549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/20/2022] [Indexed: 01/26/2023] Open
Abstract
Background Chronic kidney disease (CKD) has become a major public health problem worldwide and has caused a huge social and economic burden, especially in developing countries. No previous study has used machine learning (ML) methods combined with longitudinal data to predict the risk of CKD development in 2 years amongst the elderly in China. Methods This study was based on the panel data of 925 elderly individuals in the 2012 baseline survey and 2014 follow-up survey of the Healthy Aging and Biomarkers Cohort Study (HABCS) database. Six ML models, logistic regression (LR), lasso regression, random forests (RF), gradient-boosted decision tree (GBDT), support vector machine (SVM), and deep neural network (DNN), were developed to predict the probability of CKD amongst the elderly in 2 years (the year of 2014). The decision curve analysis (DCA) provided a range of threshold probability of the outcome and the net benefit of each ML model. Results Amongst the 925 elderly in the HABCS 2014 survey, 289 (18.8%) had CKD. Compared with the other models, LR, lasso regression, RF, GBDT, and DNN had no statistical significance of the area under the receiver operating curve (AUC) value (>0.7), and SVM exhibited the lowest predictive performance (AUC = 0.633, p-value = 0.057). DNN had the highest positive predictive value (PPV) (0.328), whereas LR had the lowest (0.287). DCA results indicated that within the threshold ranges of ~0-0.03 and 0.37-0.40, the net benefit of GBDT was the largest. Within the threshold ranges of ~0.03-0.10 and 0.26-0.30, the net benefit of RF was the largest. Age was the most important predictor variable in the RF and GBDT models. Blood urea nitrogen, serum albumin, uric acid, body mass index (BMI), marital status, activities of daily living (ADL)/instrumental activities of daily living (IADL) and gender were crucial in predicting CKD in the elderly. Conclusion The ML model could successfully capture the linear and nonlinear relationships of risk factors for CKD in the elderly. The decision support system based on the predictive model in this research can help medical staff detect and intervene in the health of the elderly early.
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Affiliation(s)
- Dai Su
- Department of Health Management and Policy, School of Public Health, Capital Medical University, Beijing, China
| | - Xingyu Zhang
- Department of Systems, Populations, and Leadership, University of Michigan School of Nursing, Ann Arbor, MI, United States,Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - Kevin He
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, United States
| | - Yingchun Chen
- Department of Health Management, School of Medicine and Health Management, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,Research Center for Rural Health Services, Hubei Province Key Research Institute of Humanities and Social Sciences, Wuhan, China
| | - Nina Wu
- Department of Health Management and Policy, School of Public Health, Capital Medical University, Beijing, China,*Correspondence: Nina Wu
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Protein Energy Wasting in a Cohort of Maintenance Hemodialysis Patients in Dhaka, Bangladesh. Nutrients 2022; 14:nu14071469. [PMID: 35406082 PMCID: PMC9002623 DOI: 10.3390/nu14071469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/28/2022] [Accepted: 03/28/2022] [Indexed: 12/04/2022] Open
Abstract
Malnutrition is associated with high rates of mortality among patients with end stage kidney disease (ESKD). There is a paucity of data from Bangladesh, where around 35,000−40,000 people reach ESKD annually. We assessed protein-energy wasting (PEW) amongst 133 patients at a single hemodialysis setting in Dhaka. Patients were 49% male, age 50 ± 13 years, 62% were on twice-weekly hemodialysis. Anthropometric, biochemical, and laboratory evaluations revealed: BMI 24.1 ± 5.2 kg/m2, mid-arm muscle circumference (MAMC) 21.6 ± 3.6 cm, and serum albumin 3.7 ± 0.6 g/dL. Based on published criteria, 18% patients had PEW and for these patients, BMI (19.8 ± 2.4 vs. 25.2 ± 5.2 kg/m2), MAMC (19.4 ± 2.4 vs. 22.2 ± 3.8 cm), serum albumin (3.5 ± 0.7 vs. 3.8 ± 0.5 g/dL), and total cholesterol (135 ± 34 vs. 159 ± 40 mg/dL), were significantly lower as compared to non-PEW patients, while hand grip strength was similar (19.5 ± 7.6 vs. 19.7 ± 7.3 kg). Inflammatory C-reactive protein levels tended to be higher in the PEW group (20.0 ± 34.8 vs. 10.0 ± 13.9 p = 0.065). Lipoprotein analyses revealed PEW patients had significantly lower low density lipoprotein cholesterol (71 ± 29 vs. 88 ± 31 mg/dL, p < 0.05) and plasma triglyceride (132 ± 51 vs. 189 ± 103 mg/dL, p < 0.05), while high density lipoprotein cholesterol was similar. Nutritional assessments using a single 24 h recall were possible from 115 of the patients, but only 66 of these were acceptable reporters. Amongst these, while no major differences were noted between PEW and non-PEW patients, the majority of patients did not meet dietary recommendations for energy, protein, fiber, and several micronutrients (in some cases intakes were 60−90% below recommendations). Malnutrition Inflammation Scores were significantly higher in PEW patients (7.6 ± 3.1 vs. 5.3 ± 2.7 p < 0.004). No discernible differences were apparent in measured parameters between patients on twice- vs. thrice-weekly dialysis. Data from a larger cohort are needed prior to establishing patient-management guidelines for PEW in this population.
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Abdulkadr M, Merga H, Mizana BA, Terefe G, Dube L. Chronic Kidney Disease and Associated Factors among Diabetic Patients at the Diabetic Clinic in a Police Hospital, Addis Ababa. Ethiop J Health Sci 2022; 32:307-312. [PMID: 35693577 PMCID: PMC9175221 DOI: 10.4314/ejhs.v32i2.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/03/2021] [Indexed: 11/17/2022] Open
Abstract
Background Diabetes mellitus remains the leading cause of end-stage renal disease in most countries in the world. In Ethiopia, renal complications of diabetes may remain unrecognized due to limited diagnostic resources. As a result, the prevalence of chronic kidney disease among adult diabetics in Ethiopia has not been well described. Hence, this study was aimed at assessing the prevalence of chronic kidney disease and associated factors among diabetic patients who attended the federal police hospital diabetic clinic in Addis Ababa. Methods A cross-sectional study was conducted among 362 Diabetes Mellitus. Data were collected using face-to-face interviewing questionnaires and analyzed using SPSS version 21.0. Binary logistic regression analyses were performed to identify predictors. Results The prevalence of chronic kidney disease diagnosed by Cockcroft-Gault equation and Modification of Diet in Renal Disease equation was 14.6% and 7.7% respectively. This finding shows the prevalence of chronic kidney disease among Diabetic patients was low. Age 50-59 years [(AOR= 4.0; 95% CI:(1.2, 13)] by Cockroft-Gault equation (CG), age 60-69 years [(AOR=5.8 95% CI:(1.5,21.0)] by Modification of Diet in Renal Disease (MDRD) and (AOR;22.9 95%CI:7.1,74.2) by CG, age 70 years and above (AOR=4.7; 95 CI: 1.1, 19.7) by MDRD and (AOR= 22.9; 95%CI:7.1,74.2) by CG, BMI (AOR=0.2; 95% CI:0.1,0.4) by CG, and previous kidney disease (AOR=6.2 95%CI:2.0,8.4) by MDRD and (AOR;4.6 95%CI:1.9,10.8) C-G equation have a significant association with chronic kidney disease after an adjustment done. Conclusion The prevalence of chronic kidney disease among Diabetic patients in this study was lower. Age, BMI, and previous recurrent kidney disease were associated with chronic kidney disease. Preventive measures like giving health education and screening of patients with risk factors should get more attention.
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Affiliation(s)
- Muna Abdulkadr
- Nephrologist, Ethiopian Police Hospital, Addis Ababa, Ethiopia
| | - Hailu Merga
- Department of Epidemiology, Institute of Health, Jimma University, Jimma, Ethiopia
| | | | - Gemechu Terefe
- School of Midwifery, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Lamessa Dube
- Department of Epidemiology, Institute of Health, Jimma University, Jimma, Ethiopia
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Uthman OA, Ayorinde A, Oyebode O, Sartori J, Gill P, Lilford RJ. Global prevalence and trends in hypertension and type 2 diabetes mellitus among slum residents: a systematic review and meta-analysis. BMJ Open 2022; 12:e052393. [PMID: 35210339 PMCID: PMC8883228 DOI: 10.1136/bmjopen-2021-052393] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE First, to obtain regional estimates of prevalence of hypertension and type 2 diabetes in urban slums; and second, to compare these with those in urban and rural areas. DESIGN Systematic review and meta-analysis. ELIGIBILITY CRITERIA Studies that reported hypertension prevalence using the definition of blood pressure ≥140/90 mm Hg and/or prevalence of type 2 diabetes. INFORMATION SOURCES Ovid MEDLINE, Cochrane CENTRAL and EMBASE from inception to December 2020. RISK OF BIAS Two authors extracted relevant data and assessed risk of bias independently using the Strengthening the Reporting of Observational Studies in Epidemiology guideline. SYNTHESIS OF RESULTS We used random-effects meta-analyses to pool prevalence estimates. We examined time trends in the prevalence estimates using meta-regression regression models with the prevalence estimates as the outcome variable and the calendar year of the publication as the predictor. RESULTS A total of 62 studies involving 108 110 participants met the inclusion criteria. Prevalence of hypertension and type 2 diabetes in slum populations ranged from 4.2% to 52.5% and 0.9% to 25.0%, respectively. In six studies presenting comparator data, all from the Indian subcontinent, slum residents were 35% more likely to be hypertensive than those living in comparator rural areas and 30% less likely to be hypertensive than those from comparator non-slum urban areas. LIMITATIONS OF EVIDENCE Of the included studies, only few studies from India compared the slum prevalence estimates with those living in non-slum urban and rural areas; this limits the generalisability of the finding. INTERPRETATION The burden of hypertension and type 2 diabetes varied widely between countries and regions and, to some degree, also within countries. PROSPERO REGISTRATION NUMBER CRD42017077381.
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Affiliation(s)
| | - Abimbola Ayorinde
- Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK
| | - Oyinlola Oyebode
- Warwick Centre for Global Health, Warwick Medical School, University of Warwick, Coventry, UK
| | - Jo Sartori
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Paramjit Gill
- Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK
| | - R J Lilford
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
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Factors Associated with Chronic Kidney Disease in Patients with Type 2 Diabetes in Bangladesh. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312277. [PMID: 34886001 PMCID: PMC8657096 DOI: 10.3390/ijerph182312277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 12/25/2022]
Abstract
Diabetes and chronic kidney disease (CKD) are a major public health burden in low- and middle-income countries. This study aimed to explore factors associated with CKD in patients with type 2 diabetes (T2D) in Bangladesh. A cross-sectional study was conducted among 315 adults with T2D presenting at the outpatient department of Bangladesh Institute of Health Sciences (BIHS) hospital between July 2013 to December 2013. CKD was diagnosed based on the estimated glomerular filtration rate using the ‘Modification of Diet in Renal Disease’ equations and the presence of albuminuria estimated by the albumin-to-creatinine ratio. Multivariate logistic regression analysis was used to determine the factors associated with CKD. The overall prevalence of CKD among patients with T2D was 21.3%. In the unadjusted model, factors associated with CKD included age 40–49 years (OR: 5.7, 95% CI: 1.3–25.4), age 50–59 years (7.0, 1.6–39), age ≥60 years (7.6, 1.7–34), being female (2.2, 1.2–3.8), being hypertensive (1.9, 1.1–3.5), and household income between 10,001 and 20,000 Bangladeshi taka, BDT (2.9, 1.0–8.2) compared with income ≤10,000 BDT. However, after adjustment of other covariates, only the duration of hypertension and household income (10,001–20,000 BDT) remained statistically significant. There is a need to implement policies and programs for early detection and management of hypertension and CKD in T2D patients in Bangladesh.
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Tran Ngoc C, Barango P, Harrison R, Jones A, Shongwe SV, Tuyishime A, Uwinkindi F, Xu H, Shoop-Worrall S. Risk factors associated with albuminuria in Rwanda: results from a STEPS survey. BMC Nephrol 2021; 22:361. [PMID: 34724916 PMCID: PMC8561895 DOI: 10.1186/s12882-021-02574-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 10/25/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Non-communicable diseases (NCDs) are a growing burden which affects every part of the world, including developing countries. Chronic kidney disease (CKD) has varied etiology which can result from or complicate other NCDs such as diabetes and cardiovascular diseases. The growing prevalence of NCDs coupled with the increasing age in most developing countries, has seen a marked increase of CKD in these settings. CKD has been described as "the most neglected NCD" and greatly affects the quality of life of patients. It also places a huge economic burden on societies. However, few epidemiological data exist, particularly in sub-Saharan Africa. Assessment of the prevalence of albuminuria as a marker of kidney damage and CKD progression and its main risk factors was thus needed in Rwanda. METHODS This study analyzed data collected during the first STEPwise approach to NCD risk factor Surveillance (STEPS) survey in Rwanda, conducted from 2012 to 2013, to assess the prevalence of albuminuria. A multistage cluster sampling allowed to select a representative sample of the general population. Furthermore, descriptive, as well as univariable analyses and multiple logistic regression were performed to respond to the research question. RESULTS This survey brought a representative sample of 6,998 participants, among which 4,384 (62.65%) were female. Median age was 33 years (interquartile range, IQR 26-44), and over three quarters (78.45%) lived in rural areas. The albuminuria prevalence was 105.9 per 1,000 population. Overall, semi-urban and urban residency were associated with lower odds of CKD (odds ratio, OR 0.36, CI 0.23-0.56, p<0.001 and OR 0.34, CI 0.23-0.50, p<0.001, respectively) than rural status. Being married or living with a partner had higher odds (OR 1.44 (CI 1.03-2.02, p=0.031) and OR 1.62 (CI 1.06-2.48, p=0.026), respectively) of CKD than being single. Odds of positive albuminuria were also greater among participants living with human immunodeficiency virus (HIV) (OR 1.64, CI 1.09- 2.47, p=0.018). Gender, age group, smoking status and vegetable consumption, body mass index (BMI) and hypertension were not associated with albuminuria. CONCLUSION The albuminuria prevalence was estimated at 105.9 per 1,000 in Rwanda. Rural residence, partnered status and HIV positivity were identified as main risk factors for albuminuria. Increased early screening of albuminuria to prevent CKD among high-risk groups, especially HIV patients, is therefore recommended.
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Affiliation(s)
- Candide Tran Ngoc
- World Health Organization, Country Office for Rwanda, Kigali, Rwanda.
| | - Prebo Barango
- World Health Organization, Inter Country Support Team, Eastern and Southern Africa, Harare, Zimbabwe
| | - Roger Harrison
- Division of Population Health, Health Services Research & Primary Care, The University of Manchester, Manchester, UK
| | - Andrew Jones
- Division of Population Health, Health Services Research & Primary Care, The University of Manchester, Manchester, UK
| | - Steven Velabo Shongwe
- World Health Organization, Regional Office for Africa, Brazzaville, Republic of Congo
| | | | | | - Hongyi Xu
- World Health Organization, Headquarters, Geneva, Switzerland
| | - Stephanie Shoop-Worrall
- Division of Musculoskeletal and Dermatological Sciences, The University of Manchester, Manchester, UK
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Shrestha N, Gautam S, Mishra SR, Virani SS, Dhungana RR. Burden of chronic kidney disease in the general population and high-risk groups in South Asia: A systematic review and meta-analysis. PLoS One 2021; 16:e0258494. [PMID: 34648578 PMCID: PMC8516300 DOI: 10.1371/journal.pone.0258494] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 09/28/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is an emerging public health issue globally. The prevalence estimates on CKD in South Asia are however limited. This study aimed to examine the prevalence of CKD among the general and high-risk population in South Asia. METHODS We conducted a systematic review and meta-analysis of population-level prevalence studies in South Asia (Afghanistan, Bangladesh, Bhutan, Maldives, Nepal, India, Pakistan, and Sri Lanka). Three databases namely PubMed, Scopus and Web of Science were systematically searched for published reports of kidney disease in South Asia up to 28 October 2020. A random-effect model for computing the pooled prevalence was used. RESULTS Of the 8749 identified studies, a total of 24 studies were included in the review. The pooled prevalence of CKD among the general population was 14% (95% CI 11-18%), and 15% (95% CI 11-20%) among adult males and 13% (95% CI 10-17%) in adult females. The prevalence of CKD was 27% (95% CI 20-35%) in adults with hypertension, 31% (95% CI 22-41%) in adults with diabetes and 14% (95% CI 10-19%) in adults who were overweight/obese. We found substantial heterogeneity across the included studies in the pooled estimates for CKD prevalence in both general and high-risk populations. The prevalence of CKD of unknown origin in the endemic population was 8% (95% CI 3-16%). CONCLUSION Our study reaffirms the previous reports that CKD represents a serious public health challenge in South Asia, with the disease prevalent among 1 in 7 adults in South Asian countries.
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Affiliation(s)
| | | | | | - Salim S. Virani
- Section of Cardiovascular Research, Baylor College of Medicine and Section of Cardiology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, United States of America
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Sarker MHR, Moriyama M, Rashid HU, Chisti MJ, Rahman MM, Das SK, Uddin A, Saha SK, Arifeen SE, Ahmed T, Faruque A. Community-based screening to determine the prevalence, health and nutritional status of patients with CKD in rural and peri-urban Bangladesh. Ther Adv Chronic Dis 2021; 12:20406223211035281. [PMID: 34377387 PMCID: PMC8326824 DOI: 10.1177/20406223211035281] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 07/05/2021] [Indexed: 12/23/2022] Open
Abstract
Background: Studies have labelled chronic kidney disease (CKD) among the adult population in urban Bangladesh. To address knowledge gaps on CKD, we aimed to generate data on prevalence, health and nutrition of CKD individuals living in rural and peri-urban Bangladesh. Methods: Participants were recruited from the Mirzapur Demographic Surveillance System by age-stratified random sampling. We screened participants by measuring serum creatinine and urine albumin to creatinine ratio, and collected socio-demographic, lifestyles and health information (phase I). After 3 months (phase II), we repeated the urine and blood tests as per the Kidney Disease Outcomes Quality Initiative guidelines. The glomerular filtration rate was calculated using the CKD Epidemiology Collaboration equation. Results: Among 928 participants, 872 completed the study. In phase I, probable CKD cases were 281 (32.2%); in phase II, confirmed cases were 192 (22.0%) (stage 1, 4.0%; stage 2, 11.8%; stage 3, 5.5%; stage 4, 0.6%; stage 5, 0.1%). In multivariable analysis, associated factors for prevalent CKD included aged ⩾60 years [adjusted odds ratio (aOR) 5.02; 95% confidence interval (CI) 1.85–13.65], hypertension (aOR 3.08; 95% CI 2.07–4.59), diabetes (aOR 2.52; 95% CI 1.60–3.96), presence of red blood cell in urine (aOR 3.20; 95% CI 1.71–5.98) and anemia (aOR 2.50; 95% CI 1.63–3.84). Conclusions: This is the first ever research on CKD prevalence in rural and peri-urban Bangladesh and recorded about 22%, which is higher than urban settings. Monitoring systems are needed to evaluate the overall burden and to mitigate risk factors with an emphasis on the rural and peri-urban population.
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Affiliation(s)
- Mohammad Habibur Rahman Sarker
- Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Michiko Moriyama
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Harun Ur Rashid
- Kidney Foundation Hospital and Research Institute, Dhaka, Bangladesh
| | - Mohammod Jobayer Chisti
- International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh
| | - Md Moshiur Rahman
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Sumon Kumar Das
- Menzies - School of Health Research, Charles Darwin University, Darwin, Australia
| | - Aftab Uddin
- International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh
| | | | - Shams El Arifeen
- International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh
| | - Tahmeed Ahmed
- International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh
| | - Asg Faruque
- International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh
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Pourmohammad P, Alipanah-Moghadam R, Nemati A, Malekzadeh V, Mahmoodzadeh Y. Comparison of the effects of zinc oxide and zinc oxide nanoparticles on the expression of hepcidin gene in rat liver. Horm Mol Biol Clin Investig 2020; 42:43-48. [PMID: 33544508 DOI: 10.1515/hmbci-2020-0038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 10/26/2020] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Nanoparticles have special properties, such as increased intestinal absorption, permeability, and so on. Zinc oxide (ZnO) nanoparticles have medical applications such as using in drug production. Studies of ZnO nanoparticles have shown the role of these particles in reducing or increasing the genes expression. Given the important role of hepcidin in the development of anemia and iron overload diseases, this study investigated the effect of ZnO nanoparticles on the hepatic expression of the hepcidin gene to help find a way to treat these diseases. METHODS In this experimental study, 24 male Westar rats were divided into three groups: control, ZnO treating group and ZnO nanoparticle treating group. Both ZnO and ZnO nanoparticles were injected with 50 mg/kg body weight for 14 days. At the end, serums were collected and iron, ferritin and IL-6 levels were measured. Expression of the hepcidin gene was done by Real Time PCR. RESULTS ZnO and the ZnO nanoparticle significantly increased the expression of the hepcidin gene relative to the control group. The increase in expression of the hepcidin gene in ZnO nanoparticles was more significant than in the ZnO. CONCLUSION ZnO nanoparticles led to significant increase in expression of the hepcidin gene.
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Affiliation(s)
- Pirouz Pourmohammad
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Islamic Republic of Iran
| | - Reza Alipanah-Moghadam
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Islamic Republic of Iran
| | - Ali Nemati
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Islamic Republic of Iran
| | - Vadoud Malekzadeh
- Department of Anatomical Sciences, Research Laboratory for Embryology and Stem Cells, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Islamic Republic of Iran
| | - Yavar Mahmoodzadeh
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Islamic Republic of Iran.,Department of Anatomical Sciences, Research Laboratory for Embryology and Stem Cells, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Islamic Republic of Iran
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Banik S, Ghosh A. Prevalence of chronic kidney disease in Bangladesh: a systematic review and meta-analysis. Int Urol Nephrol 2020; 53:713-718. [PMID: 32789568 DOI: 10.1007/s11255-020-02597-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/30/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Worldwide, chronic kidney disease (CKD) is a major public health issue, with a leading cause of death and disability. The aim of our study to estimate the prevalence of CKD in the Bangladeshi population based on existing data of previous studies. METHODS In this systematic review and meta-analysis study, electronic search engines of PubMed, Google Scholar, Scopus, and the national journal databases were used to find relevant published articles until December 31, 2019. Based on predefined inclusion/exclusion criteria, nine studies were included, and RevMan V5.0 statistical software was used for meta-analysis. RESULTS The outcomes of the included studies (nine studies, a total of 225,206 participants) based on meta-analysis showed an overall prevalence of CKD in Bangladeshi people of 22.48%, which was higher than the global prevalence of CKD. The prevalence of CKD in females was higher with high heterogeneity (I2 90%) in contrast to male participants (25.32% vs. 20.31%). CONCLUSION Above all, this study revealed a higher rate of prevalence of CKD in Bangladeshi people. So, it needs more attention to concern public health policymakers and the government to control and reduce the high-risk of disability due to CKD.
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Affiliation(s)
- Sujan Banik
- Department of Pharmacy, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh.
| | - Antara Ghosh
- Department of Pharmacy, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
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Chowdhury MZI, Rahman M, Akter T, Akhter T, Ahmed A, Shovon MA, Farhana Z, Chowdhury N, Turin TC. Hypertension prevalence and its trend in Bangladesh: evidence from a systematic review and meta-analysis. Clin Hypertens 2020; 26:10. [PMID: 32514373 PMCID: PMC7262759 DOI: 10.1186/s40885-020-00143-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/26/2020] [Indexed: 02/08/2023] Open
Abstract
Background Hypertension, itself being a major chronic condition, is one of the most significant risk factors for premature cardiovascular diseases and mortality. Hypertension is responsible for 13% of global deaths and three-quarters of the world’s hypertensive population reside in low- and middle-income countries. Bangladesh is one of those countries that experiencing an epidemiological transition from communicable to non-communicable diseases, a nutritional transition from a traditional diet to process and fast food, and an increase in a sedentary lifestyle, resulting in increased hypertension prevalence. We carried out a systematic review and meta-analysis to identify existing research on hypertension prevalence in Bangladesh, summarize findings and assess its temporal change. Methods We searched MEDLINE, EMBASE and PubMed and relevant references to identify studies on the prevalence of hypertension in Bangladesh. We used Random-effects meta-analysis to pool the prevalence estimates and performed subgroup analyses. We assessed heterogeneity, a trend in prevalence of hypertension and publication bias in selected studies. Results Our search initially identified 735 articles and after removing duplicates, reviewing titles and abstracts, and screening full texts, 53 studies were finally selected. The studies comprised 305,432 subjects and reported overall, gender-specific, geographical location specific and criteria specific prevalence of hypertension. We identified the range of hypertension prevalence is from 1.10% to 75.0% and the overall weighted pooled prevalence of hypertension is 20.0%. An extremely high heterogeneity (I2 = 99.53%; Cochran Q-statistic p < 0.001) was observed in the prevalence of hypertension. Consequently, we performed subgroup analysis based on gender, age group and geographical location of the study participants, the cut-off level used to define hypertension, and the types of hypertension reported and presented our findings accordingly. An overall increasing trend of hypertension prevalence is also observed. Conclusions The prevalence of hypertension is high and rising in Bangladesh. Strategies targeting prevention are required to mitigate a further increase in the prevalence and reduce the morbidity and mortality associated with it.
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Affiliation(s)
- Mohammad Ziaul Islam Chowdhury
- Department of Community Health Sciences, University of Calgary, TRW Building (3rd Floor), 3280 Hospital Drive NW, Calgary, Alberta T2N 4Z6 Canada
| | - Meshbahur Rahman
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Tanjila Akter
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Tania Akhter
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Arifa Ahmed
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Minhajul Arifin Shovon
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Zaki Farhana
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Nashit Chowdhury
- Department of Family Medicine, University of Calgary, Calgary, Alberta Canada
| | - Tanvir C Turin
- Department of Family Medicine, University of Calgary, Calgary, Alberta Canada
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Ji A, Pan C, Wang H, Jin Z, Lee JH, Wu Q, Jiang Q, Cui L. Prevalence and Associated Risk Factors of Chronic Kidney Disease in an Elderly Population from Eastern China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16224383. [PMID: 31717585 PMCID: PMC6888049 DOI: 10.3390/ijerph16224383] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 11/03/2019] [Accepted: 11/04/2019] [Indexed: 12/11/2022]
Abstract
Chronic kidney disease (CKD) is a global major public health problem. Almost all of previous studies evaluating the prevalence of CKD focused on adults, while studies among the elderly were relatively rare, especially in China. The aim of this study was to investigate the prevalence and associated risk factors of CKD among the elderly in Qingdao, China. This was a cross-sectional study with 38,038 inhabitants (aged 60-109) randomly recruited in Qingdao, China. All participants were required to complete a questionnaire for their demographic characteristics. Blood and urine samples of participants were collected, and the albumin and creatinine levels were measured for albuminuria and estimated glomerular filtration rate (eGFR) assessment. The associations between risk factors and indicators of kidney damage were analyzed by logistic regression. A total of 34,588 inhabitants completed the survey. The overall prevalence of CKD was 11.41% (95% confidence interval (CI): 11.07-11.74%) in the elders from Qingdao in 2016. The prevalence of albuminuria and low eGFR (<60 mL/min per 1·73 m²) were 8.47% (95% CI: 8.17-8.76%) and 3.98% (95% CI: 3.78-4.19%), respectively. Older age, hypertension, diabetes, anemia, hyperuricemia, hyperhomocysteinemia, hypertriglyceridemia, obesity, and LDL-C ≥ 4.1 mmol/L were independently associated with the presence of CKD. In conclusion, common chronic non-communicable diseases, including hypertension, diabetes, obesity, hyperhomocysteinemia, hyperuricemia, and hypertriglyceridemia, were associated with greater prevalence of CKD.
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Affiliation(s)
- Andong Ji
- School of Public Health, Medical College of Qingdao University, Qingdao 266021, Shandong Province, China; (A.J.); (Q.J.); (Q.W.)
| | - Chunlei Pan
- Health Center of Liuting Street, Chengyang District, Qingdao 266108, Shandong Province, China; (C.P.); (H.W.)
| | - Hongxia Wang
- Health Center of Liuting Street, Chengyang District, Qingdao 266108, Shandong Province, China; (C.P.); (H.W.)
| | - Zhezhen Jin
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY 10032, USA;
| | - Joseph H. Lee
- Sergievsky Center, Taub Institute, and Department of Epidemiology, Mailman School of Public Health, Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA;
| | - Qincheng Wu
- School of Public Health, Medical College of Qingdao University, Qingdao 266021, Shandong Province, China; (A.J.); (Q.J.); (Q.W.)
| | - Qixiao Jiang
- School of Public Health, Medical College of Qingdao University, Qingdao 266021, Shandong Province, China; (A.J.); (Q.J.); (Q.W.)
| | - Lianhua Cui
- School of Public Health, Medical College of Qingdao University, Qingdao 266021, Shandong Province, China; (A.J.); (Q.J.); (Q.W.)
- Correspondence: ; Tel.: +86-532-8299-1503
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Das SK, Afsana SM, Elahi SB, Chisti MJ, Das J, Mamun AA, McIntyre HD, Ahmed T, Faruque ASG, Salam MA. Renal insufficiency among urban populations in Bangladesh: A decade of laboratory-based observations. PLoS One 2019; 14:e0214568. [PMID: 30947271 PMCID: PMC6448896 DOI: 10.1371/journal.pone.0214568] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 03/17/2019] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The objective of this study was to describe the age and sex-specific prevalence of renal insufficiency, and observe its trends over a decade at an urban Bangladesh setup. METHOD This was a cross-sectional study, in which we observed the Estimated Glomerular Filtration Rate (eGFR) of 218,888 adults, aged ≥19 years, who had submitted their blood specimen to the Clinical Biochemistry Laboratory of the International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b) during the years 2006-2015. We applied CKD-EPI definition in estimating eGFR using their age-and sex-specific serum creatinine concentrations. Based on the eGFR, we classified the population into five stages of renal insufficiency (stage-1 to stage-5), at age intervals of five-years. Data were analysed using the Linear Regression and Multinomial Logistic Regression models. RESULTS Females constituted 43% (n = 94,931) of the study population; and 34% (n = 42,576) of the males and 31% (n = 29,830) of the females had their serum creatinine concentrations above the upper limit of the laboratory reference cut-off. The overall prevalence of stage-2 to stage-5 renal insufficiency were 24% (n = 52,126), 17% (n = 38,539), 8% (n = 16,504) and 6% (n = 12,665) respectively; the prevalence were 23% (n = 1,890), 19% (n = 1,579), 9% (n = 769) and 9% (n = 770) respectively in 2006, and 24% (n = 10,062), 17% (n = 6,903), 6% (n = 2,537) and 5% (n = 1,924) respectively in 2015. The prevalence was higher among the females. At least 2% of the adults, younger than <44 years, had stage-4 and stage-5 in 2015. The age-adjusted eGFR was significantly lower among the post-menopausal females (aged ≥46 y) compared to the same age group males (64.08±10.83 vs. 66.83±10.41 mL/min/1.73 m2; p<0.001). Compared to 2006, the number of individuals with renal insufficiency (stage 2 and above) had increased at least two times, irrespective of age, in 2015. A single year of increase in the age was significantly associated with 1.32 unit reductions in the eGFR; and the reductions were higher for females who also had higher odds of renal insufficiency stages-2 and beyond. CONCLUSION This study observed high prevalence of stage-2 to stage-5 renal insufficiency in Bangladeshi populations, irrespective of age, and especially among the females.
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Affiliation(s)
- Sumon Kumar Das
- icddr,b, Dhaka, Bangladesh
- Institute for Social Science Research, The University of Queensland, Brisbane, Qld, Australia
- Menzies—School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | | | | | | | - Jui Das
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - Abdullah Al Mamun
- Institute for Social Science Research, The University of Queensland, Brisbane, Qld, Australia
| | - Harold David McIntyre
- Institute for Social Science Research, The University of Queensland, Brisbane, Qld, Australia
- Mater Clinical School, University of Queensland, Brisbane, Qld, Australia
- Mater Medical Research Institute, Raymond Tce, South Brisbane, Qld, Australia
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Hasan M, Sutradhar I, Gupta RD, Sarker M. Prevalence of chronic kidney disease in South Asia: a systematic review. BMC Nephrol 2018; 19:291. [PMID: 30352554 PMCID: PMC6199753 DOI: 10.1186/s12882-018-1072-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/05/2018] [Indexed: 11/26/2022] Open
Abstract
Background Chronic kidney disease (CKD) is becoming a major public health problem around the world. But the prevalence has not been reported in South Asian region as a whole. This study aimed to systematically review the existing data from population based studies in this region to bridge this gap. Methods Articles published and reported prevalence of CKD according to K/DOQI practice guideline in eight South Asian countries between December 1955 and April 2017 were searched, screened and evaluated from seven electronic databases using the PRISMA checklist. CKD was defined as creatinine clearance (CrCl) or GFR less than 60 ml/min/1.73 m2. Results Sixteen population-based studies were found from four South Asian countries (India, Bangladesh, Pakistan and Nepal) that used eGFR to measure CKD. No study was available from Sri Lanka, Maldives, Bhutan and Afghanistan. Number of participants ranged from 301 in Pakistan to 12,271 in India. Majority of the studies focused solely on urban population. Different studies used different equations for measuring eGFR. The prevalence of CKD ranged from 10.6% in Nepal to 23.3% in Pakistan using MDRD equation. This prevalence was higher among older age group people. Equal number of studies reported high prevalence among male and female each. Conclusions This systematic review reported high prevalence of CKD in South Asian countries. The findings of this study will help pertinent stakeholders to prepare suitable policy and effective public health intervention in order to reduce the burden of this deadly disease in the most densely populated share of the globe. Electronic supplementary material The online version of this article (10.1186/s12882-018-1072-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mehedi Hasan
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, 5th Floor (Level-6), icddrb Building, 68 Shahid Tajuddin Ahmed Sarani, Mohakhali, Dhaka, 1212, Bangladesh.
| | - Ipsita Sutradhar
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, 5th Floor (Level-6), icddrb Building, 68 Shahid Tajuddin Ahmed Sarani, Mohakhali, Dhaka, 1212, Bangladesh
| | - Rajat Das Gupta
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, 5th Floor (Level-6), icddrb Building, 68 Shahid Tajuddin Ahmed Sarani, Mohakhali, Dhaka, 1212, Bangladesh
| | - Malabika Sarker
- Centre for Science of Implementation and Scale-Up, Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh.,Adjunct Research Faculty, Institute of Public Health, Heidelberg University, Heidelberg, Germany
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Jhawar M, Jayaseelan V, Selvaraj R. Burden of Proteinuria and Risk Factors of Chronic Kidney Disease among Adult Population in Urban Puducherry, India. J Clin Diagn Res 2017; 11:LC14-LC16. [PMID: 28969164 DOI: 10.7860/jcdr/2017/24492.10430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 05/25/2017] [Indexed: 11/24/2022]
Abstract
INTRODUCTION In the recent times, Chronic Kidney Diseases (CKDs) are emerging as a serious problem all over the world along with diabetes mellitus and hypertension. The presence of proteinuria is considered as an indicator of increased risk of progressive kidney diseases. AIM To determine the prevalence of proteinuria among an adult population of a tertiary care institute of Puducherry, India. MATERIALS AND METHODS A cross-sectional study was carried out in the field practice areas of an urban health centre of a tertiary care institute, in Puducherry, India. A total of 215 study respondents were selected by systematic random sampling. All adults aged above 18 years who were residing for at least a year in Puducherry were included in the study. The study period was from July 2015 to October 2015. All the categorical variables were described as proportions. Chi square test was done to compare between two proportions. Univariate analysis was done to estimate the Odds Ratio (OR) with 95% CI. RESULTS The mean age of the study participants was 38.5±12.8 years. Majority, 145 (67.4%) of the study participants were females. The prevalence of proteinuria was found to be 9.3%. While 4.7% and 11.2% of participants used tobacco and alcohol respectively, 13.5% and 27.9% had diabetes mellitus and hypertension respectively. Elderly age, diabetes mellitus and hypertension were found to be statistically significant predictors for proteinuria. CONCLUSION The prevalence of proteinuria was high in our study population (9.3%) and hypertension and diabetes mellitus were also found to be risk factors for CKD. Routine screening among the general population for proteinuria in community-based settings might be an effective step to bring down the rate of progression of CKD.
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Affiliation(s)
- Manan Jhawar
- Student, Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Venkatachalam Jayaseelan
- Assistant Professor, Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Ramya Selvaraj
- Senior Resident, Department of Community Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Karaikal, India
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Hill NR, Fatoba ST, Oke JL, Hirst JA, O’Callaghan CA, Lasserson DS, Hobbs FDR. Global Prevalence of Chronic Kidney Disease - A Systematic Review and Meta-Analysis. PLoS One 2016; 11:e0158765. [PMID: 27383068 PMCID: PMC4934905 DOI: 10.1371/journal.pone.0158765] [Citation(s) in RCA: 2075] [Impact Index Per Article: 259.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 06/21/2016] [Indexed: 12/11/2022] Open
Abstract
Chronic kidney disease (CKD) is a global health burden with a high economic cost to health systems and is an independent risk factor for cardiovascular disease (CVD). All stages of CKD are associated with increased risks of cardiovascular morbidity, premature mortality, and/or decreased quality of life. CKD is usually asymptomatic until later stages and accurate prevalence data are lacking. Thus we sought to determine the prevalence of CKD globally, by stage, geographical location, gender and age. A systematic review and meta-analysis of observational studies estimating CKD prevalence in general populations was conducted through literature searches in 8 databases. We assessed pooled data using a random effects model. Of 5,842 potential articles, 100 studies of diverse quality were included, comprising 6,908,440 patients. Global mean(95%CI) CKD prevalence of 5 stages 13·4%(11·7-15·1%), and stages 3-5 was 10·6%(9·2-12·2%). Weighting by study quality did not affect prevalence estimates. CKD prevalence by stage was Stage-1 (eGFR>90+ACR>30): 3·5% (2·8-4·2%); Stage-2 (eGFR 60-89+ACR>30): 3·9% (2·7-5·3%); Stage-3 (eGFR 30-59): 7·6% (6·4-8·9%); Stage-4 = (eGFR 29-15): 0·4% (0·3-0·5%); and Stage-5 (eGFR<15): 0·1% (0·1-0·1%). CKD has a high global prevalence with a consistent estimated global CKD prevalence of between 11 to 13% with the majority stage 3. Future research should evaluate intervention strategies deliverable at scale to delay the progression of CKD and improve CVD outcomes.
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Affiliation(s)
- Nathan R. Hill
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - Samuel T. Fatoba
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - Jason L. Oke
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - Jennifer A. Hirst
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | | | - Daniel S. Lasserson
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - F. D. Richard Hobbs
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
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AMADOR VAG, FREITAS ATVDS, NAGHETTINI AV, PEREIRA ERS, PEIXOTO MDRG. Anthropometric measurements and markers of renal function in adults and older adults. REV NUTR 2016. [DOI: 10.1590/1678-98652016000200005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Objective: To determine whether anthropometric indicators are associated with markers of renal function in adults and older adults. Methods: This cross-sectional study included 279 adults and older adults attending eight primary healthcare units in eastern Goiânia, Góias. Sociodemographic, lifestyle, and clinical data were collected using a standard questionnaire. Body mass index was categorized as overweight (≥25 kg/m²) or non-overweight. Waist circumference was classified as normal or high; chronic kidney disease was defined as a glomerular filtration rate below 60 mL/minutes/1.73 m²; micro/macroalbuminuria was defined as an albumin/creatinine ratio above 30 mg/g. The association between anthropometric indicators and renal function markers was assessed by multiple linear regression analysis. Results: Chronic kidney disease was present in 8.9% and micro/macroalbuminuria in 34.8% of the sample. The prevalence of overweight was 57.0%. Waist circumference and body mass index were positively associated with glomerular filtration rate, characterized as glomerular hyperfiltration. Microalbuminuria was positively associated with body mass index in women. Conclusion: The prevalences of chronic kidney disease and overweight were high in the study population. Overweight was positively associated with glomerular filtration rate.
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Peters BA, Hall MN, Liu X, Slavkovich V, Ilievski V, Alam S, Siddique AB, Islam T, Graziano JH, Gamble MV. Renal function is associated with indicators of arsenic methylation capacity in Bangladeshi adults. ENVIRONMENTAL RESEARCH 2015; 143:123-30. [PMID: 26476787 PMCID: PMC4740972 DOI: 10.1016/j.envres.2015.10.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 09/30/2015] [Accepted: 10/01/2015] [Indexed: 05/19/2023]
Abstract
BACKGROUND Arsenic (As) methylation capacity in epidemiologic studies is typically indicated by the proportions of inorganic As (%InAs), monomethylarsonic acid (%MMA), and dimethylarsinic acid (%DMA) in urine as a fraction of total urinary As. The relationship between renal function and indicators of As methylation capacity has not been thoroughly investigated. OBJECTIVES Our two aims were to examine (1) associations between estimated glomerular filtration rate (eGFR) and %As metabolites in blood and urine, and (2) whether renal function modifies the relationship of blood %As metabolites with respective urinary %As metabolites. METHODS In a cross-sectional study of 375 As-exposed Bangladeshi adults, we measured blood and urinary As metabolites, and calculated eGFR from plasma cystatin C. RESULTS In covariate-adjusted linear models, a 1 ml/min/1.73 m(2) increase in eGFR was associated with a 0.39% increase in urinary %InAs (p<0.0001) and a mean decrease in urinary %DMA of 0.07 (p=0.0005). In the 292 participants with measurable blood As metabolites, the associations of eGFR with increased blood %InAs and decreased blood %DMA did not reach statistical significance. eGFR was not associated with urinary or blood %MMA in covariate-adjusted models. For a given increase in blood %InAs, the increase in urinary %InAs was smaller in those with reduced eGFR, compared to those with normal eGFR (p=0.06); this effect modification was not observed for %MMA or %DMA. CONCLUSIONS Urinary excretion of InAs may be impaired in individuals with reduced renal function. Alternatively, increased As methylation capacity (as indicated by decreased urinary %InAs) may be detrimental to renal function.
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Affiliation(s)
- Brandilyn A Peters
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Megan N Hall
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Xinhua Liu
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Vesna Slavkovich
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Vesna Ilievski
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Shafiul Alam
- Columbia University Arsenic Project in Bangladesh, Dhaka, Bangladesh
| | - Abu B Siddique
- Columbia University Arsenic Project in Bangladesh, Dhaka, Bangladesh
| | - Tariqul Islam
- Columbia University Arsenic Project in Bangladesh, Dhaka, Bangladesh
| | - Joseph H Graziano
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Mary V Gamble
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA.
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Creatinine, arsenic metabolism, and renal function in an arsenic-exposed population in Bangladesh. PLoS One 2014; 9:e113760. [PMID: 25438247 PMCID: PMC4249915 DOI: 10.1371/journal.pone.0113760] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Accepted: 10/30/2014] [Indexed: 11/19/2022] Open
Abstract
Kidney disease is emerging as an arsenic (As)-linked disease outcome, however further evidence of this association is warranted. Our first objective for this paper was to examine the potential renal toxicity of As exposure in Bangladesh. Our second objective relates to examining whether the previously reported positive association between urinary creatinine (uCrn) and As methylation may be explained by renal function. We had hypothesized that these associations relate to supply and demand for s-adenosylmethionine, the methyl donor for both creatine synthesis and As methylation. Alternatively, renal function could influence both As and creatinine excretion, or the As metabolites may influence renal function, which in turn influences uCrn. We conducted a cross-sectional study (N = 478) of adults, composed of a sample recruited in 2001 and a sample recruited in 2003. We assessed renal function using plasma cystatin C, and calculated the estimated glomerular filtration rate (eGFR). Consistent with renal toxicity of As, log-uAs had a marginal inverse association with eGFR in the 2003 sample (b = -5.6, p = 0.07), however this association was not significant in the 2001 sample (b = -1.9, p = 0.24). Adjustment for eGFR did not alter the associations between uCrn and the %uAs metabolites, indicating that GFR does not explain these associations. Increased eGFR was associated with increased odds of having %uInAs >12.2% (2001: OR = 1.01, 95%CI (1.00,1.03); 2003: OR = 1.04, 95%CI (1.01,1.07)). In the 2003 sample only, there was a negative association between eGFR and %uDMA (b = -0.08, p = 0.02). These results may indicate differential effects of renal function on excretion of InAs and DMA. Alternatively, a certain methylation pattern, involving decreased %InAs and increased %DMA, may reduce renal function. Given that these studies were cross-sectional, we cannot distinguish between these two possibilities. Discrepancies between the samples may be due to the higher As exposure, poorer nutrition, and lower As methylation capacity in the 2003 sample.
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Alam A, Amanullah F, Baig-Ansari N, Lotia-Farrukh I, Khan FS. Prevalence and risk factors of kidney disease in urban Karachi: baseline findings from a community cohort study. BMC Res Notes 2014; 7:179. [PMID: 24670059 PMCID: PMC3972995 DOI: 10.1186/1756-0500-7-179] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Accepted: 03/20/2014] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is being increasingly recognized as a leading public health problem. However, there are limited data available with respect to prevalence of CKD in Pakistan, a developing South Asian country. The study presents the baseline findings of prevalence and risk factors for adult kidney disease in a Pakistani community cohort. METHODS A total of 667 households were enrolled between March 2010 and August 2011 including 461 adults, aged 15 and older. Mild kidney disease was defined as estimated Glomerular Filtration Rate (eGFR) ≥60 ml/min with microalbuminuria ≥ 30 mg/dl and moderate kidney disease was defined as eGFR <60 ml/min (with or without microalbuminuria). RESULTS The overall prevalence of kidney disease was 16.6% with 8.6% participants having mild kidney disease and 8% having moderate kidney disease. Age was significantly associated with kidney disease (p < 0.0001). The frequency of diabetes, hypertension and smoking differed significantly among the three groups, i.e., no kidney disease, mild kidney disease and moderate kidney disease. CONCLUSION Our study results suggest that the burden of kidney disease in this population is found considerable and comparable to neighboring developing countries. We believe that these results have critical implications on health and economics of these countries and due to the epidemic of diabetes, hypertension, cardiovascular disease, smoking and association with worsening poverty, further rapid growth is expected. There is an urgent need for early recognition and prevention strategies based on risk factors and disease trends determined through longitudinal research.
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Affiliation(s)
- Ashar Alam
- Department of Nephrology, The Indus Hospital, Korangi Crossing, Karachi 75190, Pakistan
| | - Farhana Amanullah
- Department of Nephrology, The Indus Hospital, Korangi Crossing, Karachi 75190, Pakistan
- Interactive Research & Development, Suite 508, Ibrahim Trade Tower, Main Shahrah-e-Faisal, Karachi 75350, Pakistan
| | - Naila Baig-Ansari
- Indus Hospital Research Center, The Indus Hospital, Korangi Crossing, Karachi 75190, Pakistan
- Interactive Research & Development, Suite 508, Ibrahim Trade Tower, Main Shahrah-e-Faisal, Karachi 75350, Pakistan
| | - Ismat Lotia-Farrukh
- Interactive Research & Development, Suite 508, Ibrahim Trade Tower, Main Shahrah-e-Faisal, Karachi 75350, Pakistan
| | - Faisal S Khan
- Interactive Research & Development, Suite 508, Ibrahim Trade Tower, Main Shahrah-e-Faisal, Karachi 75350, Pakistan
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Noborisaka Y, Ishizaki M, Yamada Y, Honda R, Yokoyama H, Miyao M, Tabata M. Distribution of and factors contributing to chronic kidney disease in a middle-aged working population. Environ Health Prev Med 2013; 18:466-76. [PMID: 23728725 PMCID: PMC3824724 DOI: 10.1007/s12199-013-0343-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 05/08/2013] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES To clarify the distribution of chronic kidney disease (CKD) and the factors contributing to its development and progression in middle-aged Japanese workers/employees. METHODS This was a retrospective study involving 3,964 men and 2,698 women aged 35-64 years in 2009 who had been followed-up until 2003. Data on proteinuria determined with a dipstick and glomerular filtration rate estimated from serum creatinine concentration (eGFR) were collected in the annual health check-ups. RESULTS Proteinuria was detected in 2.9 and 1.1 % of the men and women, respectively, and total CKD was detected in 16.0 and 16.1 % of the men and women respectively. Moderate or severe CKD associated a high risk of cardiovascular diseases and end-stage kidney disease was found mostly in the male subjects [2.0 (men) vs. 0.6 % (women)]. High-risk CKD was found in 3.3 % of the men aged 55-64 years. A body mass index (BMI) of ≥30, hypertension, diabetes mellitus (DM), current smoking and some job types were independently related to the development of proteinuria, while age, BMI, hypertriglyceridemia, and job types were related to total CKD. The development of high-risk CKD was related to preceding mild CKD signs of reduced eGFR and proteinuria as well as to hypertension, DM, smoking, and job type. CONCLUSIONS Chronic kidney disease was found in 16 % of middle-aged workers with an equal prevalence in both sexes, while high-risk CKD was found mostly in men, of whom 3.3 % were aged 55-64 years. Obesity, hypertension, DM, smoking and some job types were related to the development and progression of CKD.
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Affiliation(s)
- Yuka Noborisaka
- Department of Social and Environmental Medicine, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan,
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Ulasi II, Ijoma CK, Onodugo OD, Arodiwe EB, Ifebunandu NA, Okoye JU. Towards prevention of chronic kidney disease in Nigeria: a community-based study in Southeast Nigeria. Kidney Int Suppl (2011) 2013. [DOI: 10.1038/kisup.2013.13] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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